You have version 1.
This is for version 2:
http://www.elechouse.com/elechouse/index.php?main_page=product_info&cPath=168_170&products_id=2161
But I think the software for both is the same.
Someone else asked about the wave shield, http://arduino.cc/forum/index.php/topic,152453.0.html
Please don't cross-post.
Now I am reading you already have the code.